Wireless pH Sensor PS-3204 | Bluetooth Connectivity

Wireless pH Sensor PS-3204 | Bluetooth Connectivity

Marsoni

M251S

$83.16

Get it in 3 business days with 1 day shipping. Friday, May 29

Wireless pH Sensor PS-3204 | Bluetooth ConnectivityHigh Accuracy pH Measurement: Measures pH from 0 to 14 with 0. 1pH accuracy and 0. 02pH resolution. Wireless Bluetooth Connectivity: Connects wirelessly for remote monitoring and data logging. Versatile Applications: Ideal for water quality studies, acid base titrations, chemical reactions, and more. Long Battery Life: Powered by a CR2032 button battery lasting 2 3 years. Real Time and Data Logging: Records data in real time or stores it for extended

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As someone that refuses to spend $40 on a 1 oz bottle of facial sunscreen, I decided to give this one a try. For some background, I have very oily olive skin. I've been using tretinoin for 6 years. Currently, I've been using the .14% of tret for the last year or so. With that said, it's interesting balancing the dryness of tretinoin with my oily skin. This sunscreen is fantastic. It doesn't make me more oily. The price point is good. No breakouts. Doesn't feel heavy or greasy.

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Reviewed in the United States on May 4, 2026

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MPait

Bozeman, US

★★★★★ 5

Non-irritating, daily sunscreen for sensitive skin

Size: 1.7 Fl Oz (Pack of 1)

Sunscreen does not leave a white cast on the face, which is great! I have sensitive skin, but this sunscreen doesn't cause irritation or dry out my face. Perfect for every day use. Definitely will buy again.

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Reviewed in the United States on May 26, 2026

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Amazon Customer

Birmingham, US

★★★★★ 5

Not heavy feeling or oily.

Size: 1.7 Fl Oz (Pack of 1)

Love this sunscreen for my face! Not oily. Cannot really feel it, very light. I wear it under my foundation and also alone.

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Reviewed in the United States on June 1, 2026

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Sarah C.

Louisville, US

★★★★★ 4

Comfortable but a bit shiny, does sting eyes

Size: 1.7 Fl Oz (Pack of 1)

I really like the body and gel formulas in this line. This is a good addition, but not quite as good a fit for me. It is very lightweight and easily to apply, and comfortable on the skin. It's fairly shiny but not in a greasy or wet-looking way, more glowy than dewy; I tend to prefer a soft matte finish for my oily skin, but this one is workable and would probably be great for dryer folks. Unfortunately, it does move around a bit on the skin (according to my UV camera) and when it gets into my eyes it stings, which is very very common for chemical formulas from the US. I don't know if that will be an issue for people who aren't as sensitive as I am, but it's an important heads-up for those who are.

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Reviewed in the United States on July 20, 2025

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Jeanne Dennis

Dallas, US

★★★★★ 5

Super sunscreen for my face

Size: 1.7 Fl Oz (Pack of 1)

Really like how this goes on and protects my face, even when I don't wish to wear makeup. Great product.

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Reviewed in the United States on May 2, 2026